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Women Coffee Drinkers May Have Lower Stroke Risk

Women who enjoy a daily dose of coffee may like this perk: It might lower their risk of stroke.

Women in a Swedish study who drank at least a cup of coffee every day had a 22 to 25 per cent lower risk of stroke, compared to those who drank less coffee or none at all.

"Coffee drinkers should rejoice," said Dr. Sharonne N. Hayes, a cardiologist at Mayo Clinic in Rochester, Minnesota. "Coffee is often made out to be potentially bad for your heart. There really hasn't been any study that convincingly said coffee is bad."

"If you are drinking coffee now, you may be doing some good and you are likely not doing harm," she added.

But Hayes and other doctors say the study shouldn't send non-coffee drinkers running to their local coffee shop. The study doesn't prove that coffee lowers stroke risk, only that coffee drinkers tend to have a lower stroke risk.

"These sorts of epidemiological studies are compelling but they don't prove cause," said Dr. David S. Seres, director of medical nutrition at Columbia University's College of Physicians and Surgeons in New York.

The findings were published online Thursday in the American Heart Association journal Stroke.

Scientists have been studying coffee for years, trying to determine its risks and benefits. The Swedish researchers led by Susanna Larsson at the Karolinska Institute in Stockholm said previous studies on coffee consumption and strokes have had conflicting findings.

"There hasn't been a consistent message come out," of coffee studies, said Dr. Cathy Sila, a stroke neurologist at University Hospitals Case Medical Center in Cleveland.

For the observational study, researchers followed 34,670 Swedish women, ages 49 to 83, for about 10 years. The women were asked how much coffee they drank at the start of the study. The researchers checked hospital records to find out how many of the women later had strokes.

There were 1,680 strokes, including those who drank less than a cup or none.

Click here to read more on this story from Sky News.